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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 2 |
| 5 | 3 |
| 6 | 4 |
| 7 | 4 |
| 8 | 5 |
| 9 | 7 |
| 10 | 8 |
| 11 | 10 |
| 12 | 12 |
| 13 | 13 |
| 14 | 16 |
| 15 | 19 |
| 16 | 21 |
| 17 | 25 |
| 18 | 29 |
| 19 | 32 |
| 20 | 38 |
| 21 | 44 |
| 22 | 49 |
| 23 | 56 |
| 24 | 63 |
| 25 | 70 |
| 26 | 80 |
| 27 | 90 |
| 28 | 99 |
| 29 | 112 |
| 30 | 125 |
| 31 | 138 |
| 32 | 155 |
| 33 | 172 |
| 34 | 189 |
| 35 | 210 |
| 36 | 232 |
| 37 | 254 |
| 38 | 282 |
| 39 | 310 |
| 40 | 338 |
| 41 | 373 |
| 42 | 409 |
| 43 | 446 |
| 44 | 490 |
| 45 | 534 |
| 46 | 580 |
| 47 | 636 |
| 48 | 691 |
| 49 | 749 |
| 50 | 818 |
| 51 | 887 |
| 52 | 960 |
| 53 | 1044 |
| 54 | 1129 |
| 55 | 1220 |
| 56 | 1323 |
| 57 | 1427 |
| 58 | 1539 |
[1,1,2,2,3,4,4,5,7,8,10,12,13,16,19,21,25,29,32, 38,44,49,56,63,70,80,90,99,112,125,138,155,172, 189,210,232,254,282,310,338,373,409,446,490,534, 580,636,691,749,818,887,960,1044,1129,1220,1323, 1427,1539] |